Home / 39,097.15-53,954.34-21,192.28

Finding the Fourth Proportional to 39,097.15, 53,954.34 and 21,192.28

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Solution

The fourth proportional to 39,097.15, 53,954.34 and 21,192.28 is: 29,245.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,097.15 : 53,954.34 = 21,192.28 : x
  2. Step 2: Convert to fraction form
    39,097.15/53,954.34 = 21,192.28/x
  3. Step 3: Cross multiply
    39,097.15x = 53,954.34 × 21,192.28
  4. Step 4: Simplify right side
    39,097.15x = 1,143,415,480.50
  5. Step 5: Solve for x
    x = 1,143,415,480.50/39,097.15
  6. Step 6: Final answer
    x = 29,245.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.